EP3672095A4 - Procédé et dispositif d'indication et de détermination d'une matrice de précodage - Google Patents

Procédé et dispositif d'indication et de détermination d'une matrice de précodage Download PDF

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Publication number
EP3672095A4
EP3672095A4 EP18854734.3A EP18854734A EP3672095A4 EP 3672095 A4 EP3672095 A4 EP 3672095A4 EP 18854734 A EP18854734 A EP 18854734A EP 3672095 A4 EP3672095 A4 EP 3672095A4
Authority
EP
European Patent Office
Prior art keywords
displaying
determining
precoding matrix
precoding
matrix
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18854734.3A
Other languages
German (de)
English (en)
Other versions
EP3672095B1 (fr
EP3672095A1 (fr
Inventor
Huangping JIN
Wei Han
Peng Shang
Peng Jiang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of EP3672095A1 publication Critical patent/EP3672095A1/fr
Publication of EP3672095A4 publication Critical patent/EP3672095A4/fr
Application granted granted Critical
Publication of EP3672095B1 publication Critical patent/EP3672095B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP18854734.3A 2017-09-07 2018-09-04 Procédé et dispositif d'indication et de détermination d'une matrice de précodage Active EP3672095B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710809550.1A CN109474315B (zh) 2017-09-07 2017-09-07 一种指示及确定预编码矩阵的方法和设备
PCT/CN2018/104018 WO2019047827A1 (fr) 2017-09-07 2018-09-04 Procédé et dispositif d'indication et de détermination d'une matrice de précodage

Publications (3)

Publication Number Publication Date
EP3672095A1 EP3672095A1 (fr) 2020-06-24
EP3672095A4 true EP3672095A4 (fr) 2020-07-15
EP3672095B1 EP3672095B1 (fr) 2022-01-19

Family

ID=65634583

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18854734.3A Active EP3672095B1 (fr) 2017-09-07 2018-09-04 Procédé et dispositif d'indication et de détermination d'une matrice de précodage

Country Status (4)

Country Link
US (1) US11146317B2 (fr)
EP (1) EP3672095B1 (fr)
CN (1) CN109474315B (fr)
WO (1) WO2019047827A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111817798B (zh) * 2019-04-11 2022-04-12 华为技术有限公司 一种信道测量方法和通信装置
CN112751592B (zh) * 2019-10-29 2021-11-19 华为技术有限公司 上报信道状态信息的方法和通信装置
CN114600384B (zh) * 2019-10-30 2023-09-12 华为技术有限公司 一种信道测量方法和通信装置
WO2021134731A1 (fr) * 2019-12-31 2021-07-08 华为技术有限公司 Procédé de rétroaction d'informations de canal et appareil de communication
EP4092919B1 (fr) * 2020-02-07 2025-09-03 Huawei Technologies Co., Ltd. Procédé et appareil de transmission d'informations
EP4106246A4 (fr) * 2020-02-14 2023-01-25 Huawei Technologies Co., Ltd. Procédé de rétroaction d'informations d'état de canal et appareil de communication
CN113783589B (zh) * 2020-06-09 2023-03-10 华为技术有限公司 信道状态信息的传输方法及相关装置
US11832259B2 (en) * 2020-06-26 2023-11-28 Huawei Technologies Canada Co., Ltd. Deep-learning for distributed channel feedback and precoding
EP4211956A4 (fr) * 2020-10-15 2023-11-15 ZTE Corporation Configuration de signaux de référence d'information d'état de canal pour des systèmes de communication sans fil
CN114584430B (zh) * 2020-11-18 2023-08-01 大唐移动通信设备有限公司 一种上行接收机降维优化的方法、基站及存储介质
CN114978413B (zh) * 2021-02-24 2024-05-03 华为技术有限公司 信息编码的控制方法及相关装置
US20240348306A1 (en) * 2022-01-17 2024-10-17 Mediatek Singapore Pte. Ltd. Method and apparatus for channel state information reporting
US12156126B2 (en) * 2022-04-12 2024-11-26 King Fahd University Of Petroleum And Minerals Toeplitz structured subspace for multiple-channel blind identification methods

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US8693421B2 (en) * 2010-09-02 2014-04-08 Texas Instruments Incorporated Downlink 8 TX codebook sub-sampling for CSI feedback
ES2756449T3 (es) * 2012-06-14 2020-04-27 Huawei Tech Co Ltd Método, equipo de usuario y nodo evolucionado de estación base para determinar un indicador de matriz de precodificación
CN103795450B (zh) * 2012-10-29 2017-10-31 电信科学技术研究院 传输编码指示信息和确定预编码矩阵的方法、系统及设备
WO2015039294A1 (fr) * 2013-09-18 2015-03-26 华为技术有限公司 Procédé et appareil pour la sélection d'un livre de codes de précodage
BR112016027908A2 (pt) 2014-05-30 2017-10-31 Huawei Tech Co Ltd método e aparelho para divulgação de informação csi de estado de canal, e antena de estação base.
CN104202276B (zh) 2014-07-16 2018-06-01 中兴通讯股份有限公司 信道信息的量化反馈、数据的预编码方法及装置
US9825742B2 (en) * 2014-10-03 2017-11-21 Samsung Electronics Co., Ltd. Codebook design and structure for advanced wireless communication systems
WO2017196098A1 (fr) * 2016-05-11 2017-11-16 엘지전자(주) Procédé d'émission et de réception d'informations d'état de canal dans un système de communications sans fil à antennes multiples, et appareil associé
CN108418612B (zh) 2017-04-26 2019-03-26 华为技术有限公司 一种指示及确定预编码向量的方法和设备

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Title
HUAWEI ET AL: "CSI acquisition mechanism for NR DL MIMO", vol. RAN WG1, no. Gothenburg, Sweden; 20160822 - 20160826, 21 August 2016 (2016-08-21), XP051140569, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/Meetings_3GPP_SYNC/RAN1/Docs/> [retrieved on 20160821] *
HUAWEI ET AL: "Design for Type II Feedback", vol. RAN WG1, no. Spokane, USA; 20170403 - 20170407, 2 April 2017 (2017-04-02), XP051243207, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/Meetings_3GPP_SYNC/RAN1/Docs/> [retrieved on 20170402] *
QUALCOMM INCORPORATED: "Discussion on advanced CSI for Class B and hybrid CSI-RS", vol. RAN WG1, no. Athens, Greece; 20170213 - 20170217, 12 February 2017 (2017-02-12), XP051209689, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/Meetings_3GPP_SYNC/RAN1/Docs/> [retrieved on 20170212] *
See also references of WO2019047827A1 *

Also Published As

Publication number Publication date
WO2019047827A1 (fr) 2019-03-14
EP3672095B1 (fr) 2022-01-19
US11146317B2 (en) 2021-10-12
WO2019047827A9 (fr) 2019-10-10
US20200204229A1 (en) 2020-06-25
CN109474315B (zh) 2021-06-01
CN109474315A (zh) 2019-03-15
EP3672095A1 (fr) 2020-06-24

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